/*
 * 对于注意页面整体的样式
 */
#attention {
    position: relative;
    top: 3em;
}


/*
 * 对于巨幕的样式
 */
#attention-jum {
    background-image: url(../image/jumb3.jpg);
    background-size: cover;
    text-align: center;
    padding: 7em;
}